Home / 28,164.74-38,866.56-16,064.94

Finding the Fourth Proportional to 28,164.74, 38,866.56 and 16,064.94

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Solution

The fourth proportional to 28,164.74, 38,866.56 and 16,064.94 is: 22,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.74 : 38,866.56 = 16,064.94 : x
  2. Step 2: Convert to fraction form
    28,164.74/38,866.56 = 16,064.94/x
  3. Step 3: Cross multiply
    28,164.74x = 38,866.56 × 16,064.94
  4. Step 4: Simplify right side
    28,164.74x = 624,388,954.41
  5. Step 5: Solve for x
    x = 624,388,954.41/28,164.74
  6. Step 6: Final answer
    x = 22,169.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.